For Trenemene Reef :
No gale warning.
The reliability of the situation is very good.
Good clear periods but with plenty of cloud in the morning, sunny in the afternoon. Risk of showers in the morning, no precipitation in the afternoon. In the evening, skies with few clouds.
W force 4 turning NNW in the middle of the day then ENE. Gusts reaching 23 knots in the morning. Rough sea. Moderate, fairly long swell from W. Excellent visibility.